Oracle Database 23ai
Oracle provides several tools to assist you with patch maintenance. Use the patching procedures recommended for your deployment
Patching Policy for Oracle Database 23ai
The Oracle Database 23 Free preview releases cannot be patched. To take advantage of the features of Oracle Database 23ai, you must download the Oracle Database 23ai (23.4.0) release.
Patching for Oracle Database Single Instance Databases
For single-instance Oracle Database deployments, Oracle recommends that you perform patch maintenance with Database Configuration Assistant (DBCA)
Oracle Database Patch Delivery Methods for Single-Instance Databases
Learn how you can patch your single-instance database quickly and reliably as part of your maintenance program.
Patching for Advanced Oracle Database Deployments
For advanced Oracle Database configurations, such as deployments using Oracle Real Application Clusters, Oracle Data Guard, or other advanced use case scenarios, Oracle recommends that you use out-of-place patching with the Gold Image Release Updates that are available starting with Oracle Database 23ai.
Patch Maintenance for Databases Deployed with Oracle RAC or Oracle Data Guard
Oracle recommends that you patch Oracle Databases deployed with Oracle Real Application Clusters (Oracle RAC) and Oracle Data Guard using out-of-place Gold Image release updates (RUs).
General Guidelines for Oracle Database Patching
Learn about Release Updates (RUs), Monthly Recommended Patches (MRPs), and other details about how the Oracle patch maintenance process works.